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All Journal Buletin Agrohorti Jurnal Rekayasa elektrika
Putro, Trisno Yuwono
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Agriculture, Biological Sciences & Forestry Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering

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Smart Bracelet for Tracking the Location of Dementia Patients Dewi, Ervin Masita; Nurmajid, Ikhsan Malik; Putro, Trisno Yuwono; Kirana, Nurista Wahyu; Saefudin, Didin
Jurnal Rekayasa Elektrika Vol 20, No 4 (2024)
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17529/jre.v20i4.40615

Abstract

The rising number of dementia patients worldwide is a significant concern. Dementia, marked by deteriorating memory, language, problem-solving abilities, and other cognitive skills, affects millions globally. According to the World Health Organization (WHO), over 55 million people currently live with dementia. Dementia's impact on patients, their families, and healthcare systems is substantial. Patients often need continuous supervision and care, posing challenges for caregivers. Wandering is a frequent issue among dementia patients, leading to safety risks and a high chance of getting lost. Innovative technological solutions, such as portable monitoring devices, are crucial in tackling these issues. A smart bracelet with Global Positioning System (GPS) can be vital for ensuring dementia patients' safety. These devices provide real-time location tracking, giving caregivers and family members peace of mind by enabling them to quickly locate patients who wander off. This makes the bracelet highly effective for monitoring dementia patients' locations, as it will send notifications to a messenger application on a smartphone with a link to the patient's location if they move beyond a 20-meter radius from home. The bracelet uses GPS for distance and location tracking. The patient's location is pinpointed by the intersection of latitude and longitude coordinates. The device has a minimal margin of error, with a latitude error of 0.003% and a longitude error of 0.008%.
Pengembangan Metode Uji Tetrazolium dengan Sensor Infra red sebagai Uji Viabilitas pada Benih Kacang Tanah (Arachis hypogea L.) Widajati, Eny; Ansella, Yohanda; Dahlan, Ade Muhamad; Putro, Trisno Yuwono; Masitadewi, Ervin
Buletin Agrohorti Vol. 12 No. 2 (2024): Buletin Agrohorti
Publisher : Departemen Agronomi dan Hortikultura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/agrob.v12i2.54759

Abstract

Pengujian viabilitas benih menggunakan uji tetrazolium merupakan salah satu metode penentuan viabilitas benih dengan mengevaluasi tingkat warna merah yang terbentuk pada benih. Warna merah terbentuk dari aktivitas enzim dehidrogenase pada siklus trichloroacetic acid. Penentuan tingkat warna merah pada benih ini dapat menggunakan alat sensor infra red. Penelitian ini bertujuan menguji alat sensor infra red untuk menentukan intensitas warna secara kuantitatif dalam uji tetrazolium serta menentukan korelasi alat sensor infra red dengan pengujian benih secara fisiologis. Percobaan disusun menggunakan rancangan kelompok lengkap teracak dengan faktor tunggal yaitu tingkat viabilitas benih berdasarkan daya berkecambah masing-masing adalah 78.9%, 70.7% dan 40.0 %. Hasil penelitian menunjukkan bahwa aplikasi sensor intensitas infra red untuk uji tetrazolium pada benih kacang tanah menghasilkan nilai koefisien korelasi (r) sebesar 0.62 antara nilai RGB merah bagian dalam kotiledon (Rd) dengan kecambah normal. Kata kunci: daya berkecambah, enzim dehydrogenase, kotiledon, mutu fisiologis benih, RGB
Co-Authors Ansella, Yohanda Dahlan, Ade Muhamad Didin Saefudin Eny Widajati ERVIN MASITA DEWI Kirana, Nurista Wahyu Masitadewi, Ervin Nurmajid, Ikhsan Malik